Equations
Inequalities
PEMDAS
Rearranging for a Given Variable
100

x – 7x + 4 = 11

x = -1 1/6  

100

10 – 2a < 18

a < -4

100

 19 – 5 * 22

-1

100

Solve for A:

abcd = e

a =  e/bcd

200

12 + r – 2(r+ 1) = 3

r = 7

200

6(2x - 4) + 20 > 8

x > 1

200

4 + 3(6 – 1 + 5)

34

200
Solve for x:

x - 2y = 9

x = 9 + 2y

300

-36 - 6x = 64 - x 

x = -20

300

 3 > 5r – 7(r + 1)

r > -5  or -5 < r

300

(8-3)2 + 8 ÷ 23

26

300

Solve for y:

4x + 2y = 12

y = -2x + 6

400

-110x + 2x = -7x + 61

x = 19

400

10 + 5n < 3n + 2

n < -4

400

|−4−5| + 32 * 7

72

400

solve for m:

m/b = s

m = bs

500

8 - 2(2x  -  3)  =  7x + 3

x = 1

500

 -6 - 2x <  x + 6


x > -4

500

-15 + 3(4-5)3 * 2

-21

500

solve for r:

r2 + v = h

r = the square root of h + v

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